Beauties and beasts, the AW list of 13 challenging routes

Everyone has an opinion about the worst road in America--usually it's one in their neighborhood. We poked around and compiled our own list of the 13 roads, highways and interchanges that you should pay attention to--for good or bad reason. Good traction and four-wheel drive can't shield you from falling rocks or shoulderless mountain passes.

Boris planning war on diesel car drivers – London Mayor wants drivers of diesel cars to pay more

Boris wants to charge diesel cars an extra £10 to enter London We’ve long banged on about the nonsense of basing the cost of motoring on the Co2 emissions of cars, and it seems the London Mayor, Boris Johnson, also realises that Co2-based taxation has led to a real pollution problem. As we reported as far back as 2010, petrol cars – certainly before the introduction of Euro 6 emissions recently – are far cleaner than diesel cars when it comes to the sort of stuff that really matters – NoX and particulates. And the problem has been exacerbated by basing car taxation on Co2 emissions as lower Co2 levels have been much easier for car makers to achieve on diesel engines, which is why diesel-engined cars now account for around 50 per cent of all cars sold in the UK.

Video: Chevrolet C7 Corvette Stingray interior craftsmanship

Chevrolet has released a video explaining the development behind the new C7 Corvette Stingray's interior. The C7 Stingray understandably generated a lot of interest ahead of its unveiling at last month's Detroit auto show and in this video we get the chance to hear from some of the key figures involved in the development of the car's interior.